.calendar > div {
  max-width: 400px;
  min-width: 315px;
  margin: 0 auto;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.1), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}
.calendar > div .month {
  background: #00B8EC;
  height: 0.4rem;
  line-height: 0.4rem;
}
.calendar > div .month ul {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
}
.calendar > div .month ul li {
  color: white;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 3px;
}
.calendar > div .month ul .arrow {
  padding: 0 30px;
}
.calendar > div .month ul .year-month:hover {
  cursor: default;
}
.calendar > div .weekdays {
  margin: 0;
  padding: 10px 0;
  background-color: #00B8EC;
  display: flex;
  flex-wrap: wrap;
  color: #FFFFFF;
  justify-content: space-around;
}
.calendar > div .weekdays li {
  display: inline-block;
  width: 13.6%;
  text-align: center;
}
.calendar > div .weekdays .weekend {
  color: #ff3900;
}
.calendar > div .days {
  padding: 5px 0;
  background: #FFFFFF;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.calendar > div .days li {
  width: 14.2%;
  text-align: center;
  height: 0.35rem;
  color: #000;
}
.calendar > div .days li span {
  display: block;
  height: 0.35rem;
  width: 0.35rem;
  line-height: 0.35rem;
  margin: 0 auto;
  border-radius: 50%;
}
.calendar > div .days li span:hover {
  background: #e1e1e1;
  cursor: pointer;
}
.calendar > div .days li span .today {
  background: #00b8ec;
}
.calendar > div .days li span .active {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #006886;
  color: white;
}
.calendar > div .days .other-month {
  color: gainsboro;
}
